G. Yagachitradevi, S. Lakshminarayanan and P. Ravindiran 2023. Generalized Hyers-Ulam stability of a 3D additive-quadratic functional equation in Banach spaces: A study with counterexamples. Malaya Journal of Matematik. 11, 04 (Oct. 2023), 417–446. DOI:https://doi.org/10.26637/mjm1104/007.